/Engine/Plugins/Experimental/GeometryCollectionPlugin/Source/GeometryCollectionNodes/Public/Dataflow/GeometryCollectionMaterialNodes.h
Set a Material in a Materials array
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)(Meta=(DataflowGeometryCollection)) struct FSetMaterialInMaterialsArrayDataflowNode : public [FDataflowNode](API\Runtime\DataflowCore\Dataflow\FDataflowNode)
TObjectPtr<UMa...
Material
Material to add/insert to/in Materials array
int32
MaterialIdx
Indexfor inserting a nem material into the Materials array
TArray<TObject...
Materials
Materials array storing the materials
ESetMaterialOpe...
Operation
Operation type for setting the material, add will add the new material to the end off Materials array, insert will insert the new material into Materials array at the index specified by MaterialIdx